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/*                  Atmel Microcontroller Software Support                      */
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/* Copyright (c) 2015, Atmel Corporation                                        */
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/**
 * \file
 *
 * Implementation of LCD driver, Include LCD initialization,
 * LCD on/off and LCD back-light control.
 *
 */

/*----------------------------------------------------------------------------
 *        Headers
 *----------------------------------------------------------------------------*/
#include "board.h"
#include <stdint.h>

/*----------------------------------------------------------------------------
 *        Local variables
 *----------------------------------------------------------------------------*/
uint8_t ili9488_lcdMode;

/*----------------------------------------------------------------------------
 *        Exported functions
 *----------------------------------------------------------------------------*/

/**
 * \brief Turn on the LCD.
 */
void LCDD_On(void)
{
	if (ili9488_lcdMode == ILI9488_SPIMODE)
		ILI9488_SpiOn();
	else
		ILI9488_EbiOn();
}

/**
 * \brief Turn off the LCD.
 */
void LCDD_Off(void)
{
	if (ili9488_lcdMode == ILI9488_SPIMODE)
		ILI9488_SpiOff();
	else
		ILI9488_EbiOff();
}

/**
 * \brief Set the back-light of the LCD.
 *
 * \param level   Back-light brightness level [1..16], 1 means maximum brightness.
 */
#if defined (BOARD_LCD_SPI_EXT1)
void LCDD_SpiSetBacklight (uint32_t level)
{
	/* Ensure valid level */
	level = (level < 1) ? 1 : level;
	level = (level > 16) ? 16 : level;
	PWMC_SetDutyCycle(PWM0, CHANNEL_PWM_LCD, level);
}
#endif

/**
 * \brief Initializes the LCD controller.
 * Configure SMC to access LCD controller at 64MHz MCK.
 * \param lcdMode LCD_SPI or LCD_EBI mode
 * \param cRotate rotate direction 0: H 1:V
 */
void LCDD_Initialize(uint8_t lcdMode, sXdmad *dmad, uint8_t cRotate)
{
	ili9488_lcdMode = lcdMode;

	/* Initialize LCD controller */
	if (lcdMode == ILI9488_SPIMODE) {
		ILI9488_SpiInitialize(dmad);
		ILI9488_SpiSetDisplayLandscape(1, cRotate);
	} else {
		ILI9488_EbiInitialize(dmad);
		ILI9488_EbiSetDisplayLandscape(1, cRotate);
	}

#if defined (BOARD_LCD_SPI_EXT1)
	/* Set LCD back-light */
	LCDD_SpiSetBacklight(16);
#endif

}

